A receptacle or structure of sturdy construction and of various shapes, the top of which may be open or closed, used for storage of bulk liquids such as gasoline, oil or water. The tank may be equipped with pipe fittings. Excludes tanks fabricated for use as an integral part of another system and trailer or truck mounted tanks designed for transporting liquids. See also TANK (1), ASPHALT STORAGE and TANK, HOT WATER STORAGE.